Through analyzing, conservation tillage did not cause the soil to harden etc, and can reduce the soil bulk density in various degree, improved the structure characteristic of the soil.
通过分析得出，施行保护性耕作后不会引起土壤板结等问题，而且能够不同程度的降低土壤容重，改善土壤的结构特性。
Soil of dolomite areas in Guiyang is thin , soil component are mainly thick and thin sand , and there was not mucosity characteristic, soil structure is better.
结果如下：1、贵阳市白云岩地区土层较薄，土壤主要由细砂和粉砂组成，没有出现粘化特征，土壤结构性较好。
Soil of dolomite areas in Guiyang is thin , soil component are mainly thick and thin sand , and there was not mucosity characteristic, soil structure is better.
结果如下：1、贵阳市白云岩地区土层较薄，土壤主要由细砂和粉砂组成，没有出现粘化特征，土壤结构性较好。
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